The United States is looking to counter Iranian influence in the Middle East with a more aggressive approach in cyberspace. “They operate almost entirely in what we refer to as the gray zone, that space between normal international competition and armed conflict,” the commander of U.S. Central Command, General Joseph Votel, said Wednesday in Washington, calling it “an area ripe for cyberspace operations.” “We at CENTCOM are examining ways to compete in the gray zone,” he...